<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Reftest Reference</title>
        <link rel="author" title="Mirela Budăeș" href="mailto:mbudaes@adobe.com">
        <style>
            .container{
                margin: 30px;
                width: 130px;
                height: 130px;
                float: left;
                background: yellow;/*rgb(255,255,0);*/
            }
            .simple{
                background: lime;/* rgb(0,255,0);*/
                width: 100px;
                height: 100px;
                position: fixed;
            }
            .mixed {
                background: red;/*rgb(255,0,0);*/
                margin-top: 20px;
                margin-left: 20px;
                width: 100px;
                height: 100px;
            }
            .overlap {
                background: black;/*rgb(0,0,0);*/
                width: 80px;
                height: 80px;
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is no complete red square on the screen. <br>
        You should see two overlapping lime and red squares on top of a yellow one. <br>
        At the intersection of the lime and red squares, a black square will be created. </p>
        <div class="container">
            <div class="simple">
                <div class="mixed">
                    <div class="overlap"></div>
                </div>
            </div>
        </div>
    </body>
</html>
